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Series 853 (fig 1340)
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SERIES 853 CONSTANT FLOW VALVE, PN16
The Series 853 Fig 1340 Constant Flow Valve maintains a constant rate of flow regardless of variations in upstream or downstream pressures. It can be used where steady flows are required for treatment or dozing purposes.
Features
• Piston design for fast response
• Flow passes down through the seat
• Long springs for accurate pressure settings
• Customised port area for smooth flow transition
BODY/COVER
Ductile Iron - BS EN 1563
TRIM
Gunmetal - BS EN 1982:1999 CC491K
COATING (internally and externally)
Epoxy (250 microns) -
WIS 4-52-01 Class B (DN80-300)
WRAS Approved to BS 6920
(DN350 - DN800)
FLANGES
BS EN 1092-2, PN16
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Standard spring suitable for outlet pressure up to 30m
Also available are spring ratings at 90m and 140m
| DN
(mm)
| PN
(bar)
| Weight
(kg)
| Stock
Group
|
| 853-0350-301011000 | 350 | 16
| 1000 |
|
| 853-0400-301011000 | 400
| 16 | 1015
| C
|
| 853-0450-301011000 | 450
| 16 | 1285
| C
|
| 853-0500-301011000 | 500
| 16 | 1300
| C
|
| 853-0600-301011000 | 600 | 16 | 2895
| C
|
| 853-0700-301011000 | 700 | 16 | 3650
| C
|
| 853-0800-301011000 | 800
| 16 | 3800
| C |
OTHER OPTIONS AND DESIGNS AVAILABLE ARE PN25 RATING, MULTI FUNCTION, SPECIAL PORTING, OTHER CONTROL VARIATIONS.
+44 (0) 1563 521150
